Hemant Nautiyal

6 Questions 6 Answers 0 Followers

Questions related from Hemant Nautiyal

Does wear rate decrease with increase in load?

On conducting ball on disc test, i found friction and wear rate of pure copper sample increases initially with load then it starts decreasing with load. On analyzing the SEM micrographs ( cannot...

27 September 2018 9,036 35 View

How I can measure the contraction and expansion of graphene nano particles reinforced in Copper matrix composite?

I have sintered Copper matrix composite which is reinforced by graphene, since graphene shows negative thermal expansion upto a certain temperature and copper shows positive thermal expansion...

05 February 2018 7,929 1 View

What is the effect of CuAl2O4, CuMo2S3 and AlB12 compounds on the Tribology of Copper matrix composite?

During XRD i found the peaks of CuAl2O4, CuMo2S3, AlB12 compounds and i want to know the effect of these compounds on tribological properties of Copper matrix composite during dry sliding. Plz...

17 November 2017 394 2 View

How we can measure the Tensile Strength of a Pellet?

We have a pellet of size 30 mm diameter and 6 mm. thickness,it is a metal matrix composite, how i am supposed to measure the tensile strength of it, by which machine or facility or method it can...

19 July 2017 7,454 4 View

What does 1% stearic acid as processing control agent mean in Ball Milling of Copper based composite?

Does 1% stearic acid as PCA means,1% stearic acid and rest 99% water ,or 1% stearic acid and rest 99% is the material to be ball milled,or it is some thing else?What are the other PCA that can be...

21 April 2017 7,309 3 View

What are the things to be taken care of while fabricating a composite?

If we want to fabricate a composite to serve a definite purpose,what approach we should have in the selection of its constituents,in the other words how we can estimate the properties of a...

05 July 2016 8,812 9 View